TMJ Symptoms. The most common symptom of TMJ disorder is pain. TMJ symptoms include 1  : Facial pain in the jaw joint area, neck and shoulders, and/or close to the ear when chewing, speaking or opening the mouth wide. 2  Limited ability to open the mouth very wide. 3  Jaw that âlocksâ in the open or closed mouth position.
An overactive immune system. If you are born with certain genes, your immune system may react to substances in the environment that are normally harmless. These substances are called allergens. Having an allergic reaction is the most common example of an overactive immune system.hen your immune system doesn't work the way it should, it is called an immune system or immunodeficiency disorder. You may: Be born with a weak immune system. This is called primary immune deficiency.
Disorders of the Immune System. Allergy skin test. Credit: NIAID. Complications arise when the immune system does not function properly. Some issues are less pervasive, such as pollen allergy, while others are extensive, such as genetic disorders that wipe out the presence or function of an entire set of immune cells.ommon infections, including influenza and mononucleosis, can suppress the immune system. When immune cells are the target of infection, severe immune suppression can occur. For example, HIV specifically infects T cells, and their elimination allows for secondary infections by other pathogens.